New York:Tiger Woods, this year's Masters champion marked his debut as an author on Tuesday. His book is titled quite simply How I play golf. 1.5 million copies have been printed and they will be available in 14 languages. About 70 books have been written on the world number one golfer till now. How to play golf is an instructional book that includes tips he has given Golf Digest magazine the past several years with fresh reviews, anecdotes and seven secrets to his success. Woods teaches readers how to play golf from green back to the tee, the way his father taught him. The book includes caricatures of Woods to illustrate points and every lesson comes with an anecdote. He also reveals his strategy on things like when a tournament comes down to a match-play situation.